There are some crazy vanity license plates on the road. But there are some crazier ones that didn't make the cut. What did these offenders of fender etiquette try to exposed their fellow drivers to? That's on tonight's RidicuList.

Brutal Mexican drug cartels recruiting and training American teens to kill. Teens who carried out hits on both sides of the border. They say their choice was kill or be killed. In an AC360 exclusive, CNN's Ed Lavandera speaks to these young hitmen from behind bars, and shares their stories.

CNN has learned that a message sent from Al Qaeda leader Ayman Al Zawahiri to an affiliate leader was the deciding factor that led to the closure of American embassies, and triggered a global travel alert. But that was not the only intelligence that has U.S. counter-terror officials concerned. Anderson gets the latest from Philip Mudd a senior official with the CIA and FBI, National security analyst Peter Bergen, and terrorism analyst Paul Cruikshank.

Major league baseball's highest paid player is fighting to stay in the game. Alex Rodriguez is the biggest name on a list of 13 players all facing major suspensions following an investigation into the use of performance-enhancing drugs. A-Rod is returning to the field tonight, as he appeals his 211 game suspension that could lead to him sitting out the 2014 season. The 12 other players all accepted their punishments of missing 50-games without pay. Anderson gets the latest from CNN's Jason Carroll and ESPN's T.J. Quinn.

The suspension that could sideline Alex Rodriguez through the 2014 season is just the latest performance enhancing drug scandal scandal for Major League Baseball. The league has fought hard to keep banned substances out of the game. Anderson spoke with Kirk Radomski about why it is so difficult to do. Radomski started as a bat boy for the New York Mets. By the time the feds busted him in 2005, he estimates he was supplying 300 ballplayers with performance enhancing drugs.

Big name sports stars like Alex Rodriguez may make headlines for scandals involving performance enhancing drugs, but it isn't just professional athletes putting their health at risk with these substances. A growing number of Americans are turning to pharmaceuticals to replace what nature takes away. Kyung Lah takes a closer look at some controversial clinics.

We have been coming to Laredo, Texas and Nuevo Laredo, Mexico for several years covering the Zeta cartel and the incredible influence it has on both sides of the border.

Several years ago, Ed Lavandera learned of American teenagers that were hired by the cartel to kill on both sides of the border. We patched together their story from police interviews and interrogation tapes and the photos of the horrendous crime scenes they left behind.

Now, we interviewed two of these men who say they started killing for the cartel when they were young teenagers. They tell of a violent world where they say it was kill or be killed. They were showered with money, cars and houses while killing dozens of wanted men inside this dark world.